public static SafeHandle IdentifyDevice(StorageInfo storageInfo)
{
SafeHandle handle = Kernel32.OpenDevice(storageInfo.DeviceId);
if (handle == null || handle.IsInvalid)
{
return(null);
}
Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS buffers = Kernel32.CreateStruct <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = (uint)buffers.DataBuf.Length;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xB5; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 5; // Identify
buffers.Spt.Cdb[8] = 0; // Transfer Length
buffers.Spt.Cdb[9] = 0x40;
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_OUT;
buffers.DataBuf[0] = 1;
int length = Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
IntPtr buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
bool validTransfer = Kernel32.DeviceIoControl(handle, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
Marshal.FreeHGlobal(buffer);
if (validTransfer)
{
//read data from samsung SSD
buffers = Kernel32.CreateStruct <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = (uint)buffers.DataBuf.Length;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xA2; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 5; // Identify
buffers.Spt.Cdb[8] = 2; // Transfer Length
buffers.Spt.Cdb[9] = 0;
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_IN;
length = Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
validTransfer = Kernel32.DeviceIoControl(handle, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
if (validTransfer)
{
var result = Marshal.PtrToStructure <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(buffer);
if (result.DataBuf.Sum(x => (long)x) == 0)
{
handle.Close();
handle = null;
}
}
else
{
handle.Close();
handle = null;
}
Marshal.FreeHGlobal(buffer);
}
return(handle);
}
public bool IdentifyController(SafeHandle hDevice, out Kernel32.NVME_IDENTIFY_CONTROLLER_DATA data)
{
data = Kernel32.CreateStruct <Kernel32.NVME_IDENTIFY_CONTROLLER_DATA>();
if (hDevice?.IsInvalid != false)
{
return(false);
}
bool result = false;
Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS buffers = Kernel32.CreateStruct <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = (uint)buffers.DataBuf.Length;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xB5; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 5; // Identify
buffers.Spt.Cdb[8] = 0; // Transfer Length
buffers.Spt.Cdb[9] = 0x40; // Transfer Length
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_OUT;
buffers.DataBuf[0] = 1;
int length = Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
IntPtr buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
bool validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
Marshal.FreeHGlobal(buffer);
if (validTransfer)
{
//read data from samsung SSD
buffers = Kernel32.CreateStruct <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = (uint)buffers.DataBuf.Length;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xA2; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 5; // Identify
buffers.Spt.Cdb[8] = 2; // Transfer Length (high)
buffers.Spt.Cdb[9] = 0; // Transfer Length (low)
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_IN;
length = Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
if (validTransfer)
{
IntPtr offset = Marshal.OffsetOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
IntPtr newPtr = IntPtr.Add(buffer, offset.ToInt32());
data = Marshal.PtrToStructure <Kernel32.NVME_IDENTIFY_CONTROLLER_DATA>(newPtr);
Marshal.FreeHGlobal(buffer);
result = true;
}
else
{
Marshal.FreeHGlobal(buffer);
}
}
return(result);
}
public bool HealthInfoLog(SafeHandle hDevice, out Kernel32.NVME_HEALTH_INFO_LOG data)
{
data = Kernel32.CreateStruct <Kernel32.NVME_HEALTH_INFO_LOG>();
if (hDevice == null || hDevice.IsInvalid)
{
return(false);
}
bool result = false;
Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS buffers = Kernel32.CreateStruct <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = Kernel32.SCSI_PASS_THROUGH_BUFFER_SIZE;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xB5; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 6; // Log Data
buffers.Spt.Cdb[8] = 0; // Transfer Length
buffers.Spt.Cdb[9] = 0x40; // Transfer Length
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_OUT;
buffers.DataBuf[0] = 2;
buffers.DataBuf[4] = 0xff;
buffers.DataBuf[5] = 0xff;
buffers.DataBuf[6] = 0xff;
buffers.DataBuf[7] = 0xff;
int length = Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
IntPtr buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
bool validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
Marshal.FreeHGlobal(buffer);
if (validTransfer)
{
//read data from samsung SSD
buffers = Kernel32.CreateStruct <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = Kernel32.SCSI_PASS_THROUGH_BUFFER_SIZE;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xA2; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 6; // Log Data
buffers.Spt.Cdb[8] = 2; // Transfer Length (high)
buffers.Spt.Cdb[9] = 0; // Transfer Length (low)
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_IN;
length = Marshal.SizeOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
if (validTransfer)
{
var offset = Marshal.OffsetOf <Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
IntPtr newPtr = IntPtr.Add(buffer, offset.ToInt32());
var item = Marshal.PtrToStructure <Kernel32.NVME_HEALTH_INFO_LOG>(newPtr);
data = item;
Marshal.FreeHGlobal(buffer);
result = true;
}
else
{
Marshal.FreeHGlobal(buffer);
}
}
return(result);
}
